1Professor (Forensic Medicine & Toxicology), RNT Medical College, Udaipur
2Assistant Professor, Forensic Medicine & Toxicology, J.L.N. Medical College, Ajmer
*Corresponding author: Dr. Anupam Johry, Assistant Professor (Forensic Medicine & Toxicology) J.L.N. Medical College, Ajmer. Email: -annu_johry@yahoo.co.in
Online published on 2 January, 2017.
Age determination is required in criminal responsibility, identification, employment judicial punishment, consent for marriage, rape, criminal abortion and prostitution etc.
To determine the eruption of the first second, third permanent molar and to study the gender difference in the time of eruption of the permanent molars.
The present study was a cross-sectional one, based on dental observations on 500 subjects out of them 300 were boys and 200 girls of Udaipur region ranging age from 6 to 25.
the first permanent molar of maxillary region in boys was 6.83 yrs right quadrant and 6.75 yrs in left quadrant. Mandibular first molar erupts at 6.58 yrs in right and 6.66 yrs in left quadrant. In the cases of girls maxillary first molar tooth erupts at 6.92yrs in both quadrant and mandibular first molar erupt at 6.58 yrs. The second molar erupts at 11.66 yrs in all quadrants in boys, whereas second molar erupts at 11.92 yrs in the girls over right maxillary region and at twelve yrs in left side. The mandibular teeth of both sides erupt at 11.50 yrs. The third molar erupts between 17.5 yrs to 24 yrs in boys and between 17.2 yrs to 25 yrs in female. The eruption for first and second molars did not differ in right and left side of both upper and lower jaw. Difference in the effective age at eruption in the upper or lower jaw are not statistically significant.
eruption, quadrant, molar
